TY - BOOK ED - CIMED/POPLAB staff ED - International Program of Laboratories for Population Statistics TI - Field operations of dual record tests in the CIME POPLAB PY - 1973/// CY - University of North Carolina at Chapel Hill, Chapel Hill, N.C. PB - International Program of Laboratories for Population Statistics KW - Population research KW - Columbia KW - Demography KW - Methodology ER -